Crownless Reincarnation: New World? Nah I'd win - Chapter 20: Cradle of Regret.

This novel is also known as Female Star Student Is Awesome

Her best friend turned into her younger sister, destroyed her appearance, broke her legs, snatched her powerful fiancé, and designed to kill her mother. Unsatisfied, she locked her up in a mental asylum to be tortured until death!

Yun Hua returned to 13 years of age with hatred. This time, the debt of blood would be paid in blood.

Oppress the poisonous sister, beat up the scumbag fiancé, become the top student, become a scholarly expert, become a manhua artist. In the end, she became the chief anchorwoman on the largest global broadcast…

With one careless mistake, she accidentally took the gold medal during the Olympic swimming competition. The entire country cheered for the champion without knowing that she had no such intentions…

But all along the way, that unapproachable man protected her from nearby.

He spoke: For you, I would block deities. For you, I would fight gods. For you, I would kill Buddha!

He spoke again: If you don’t leave me, I won’t give you up either. I would rather turn my back on the world than slight my darling.

- Description from Novelupdates

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

Shi Jin was a desperate woman and just a pretty face in her past life. She was swapped at birth and brought up in a rich family, only to eventually die a horrible death.

The thousand-year-old Imperium is crumbling, and war looms on the horizon, bringing with it both brutalities and splendor. Caught in the midst of this chaos is Lansius, an office grunt and veteran MMO player who has been transformed into a medieval peasant. With no wealth, status, or magical abilities, and armed only with his basic knowledge of the art of war, can he endure and thrive in this realistic medieval fantasy realm?Follow Lansius as he moves from one occupation to another, striving to survive during these turbulent times.